They are often available at a discount.

它们经常可以以折扣价买到。

《柯林斯英汉双解大词典》

In a rights issue, shareholders are granted the right to buy more shares at a set price, often a discount to the current price.

在配股时，企业股东会被授予以设定价格购买公司更多股票的权利，这一价格通常会低于股票的当前价格。

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These are often as small as an invitation to a reception, a discount in a museum shop or a backstage tour at the Royal Opera House.

这些好处小到如一次招待会的请柬，博物馆礼品店的打折券，或者到皇家歌剧院的后台转一圈。

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It's the most simple-- or often called a bill-- a discount bond does not pay interest; it's sold at a discount.

它是最简单的,经常被称为国库券,它是一种贴现债券,且不付息,并以折扣价发行

耶鲁公开课 - 金融市场课程节选

Amazon claims to offer 2.5m titles, which computer users can search through 24 hours a day, then order, often at a discount to the publishers' prices, and have delivered in as little as two days.

ECONOMIST: On-line retailing

Complex refiners, like ConocoPhillips, have flexibility around their choice of crude feedstock and therefore are well placed to benefit from the use of lower priced crude feedstocks, which often sell at a discount.

FORBES: Higher Crude Prices Lift Refining Margins And Conoco Stock Price

Before the Chinese restrictions on exports the La and Ce were often selling at a discount to production cost: for they were simply by-products of the extraction of the more desirable and more expensive elements.

FORBES: The Coming Glut of Rare Earths